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 ###Instrução: Qual é o impulso específico para o motor com um cenário de sr-71 a mach 3.2 (molhado)?
 ###Tabelas: CREATE TABLE results_by_year (results_by_year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's Open VARCHAR, Women's Open VARCHAR, Mixed Open VARCHAR, Men's u20 VARCHAR, Women's u20 VARCHAR, Senior Mixed VARCHAR, Men's 30 VARCHAR, Women's 30 VARCHAR, Men's 35 VARCHAR, Women's 35 VARCHAR, Men's 40 VARCHAR, Women's 40 VARCHAR, Men's 45 VARCHAR, Men's 50 VARCHAR) CREATE TABLE rank_by_time_in_office (rank_by_time_in_office_id AUTO_INCREMENT PRIMARY KEY, Rank: INT, Premier: VARCHAR, Party: VARCHAR, Assumed Office: VARCHAR, Left Office: VARCHAR, TOTAL Time in Office: VARCHAR) CREATE TABLE line_officers (line_officers_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Date of birth VARCHAR, Actual rank VARCHAR, Appointment date VARCHAR, Allegiance VARCHAR) CREATE TABLE typical_values_of_sfc_for_thrust_engines (typical_values_of_sfc_for_thrust_engines_id AUTO_INCREMENT PRIMARY KEY, Engine type VARCHAR, Scenario VARCHAR, SFC in lb/(lbf·h) INT, SFC in g/(kN·s) INT, Specific impulse (s) INT, Effective exhaust velocity (m/s) INT) CREATE TABLE individuals (individuals_id AUTO_INCREMENT PRIMARY KEY, Position INT, Gymnast VARCHAR, Floor VARCHAR, Pommel Horse VARCHAR, Rings VARCHAR, Vault VARCHAR, Parallel Bars VARCHAR, Horizontal Bar VARCHAR, Total INT)  
SELECT Specific impulse (s) FROM typical_values_of_sfc_for_thrust_engines WHERE Scenario = sr-71 at mach 3.2 (wet)